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Finding the Third Proportional to 288,249,118,886 and 619,878,738,986

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Solution

The third proportional to 288,249,118,886 and 619,878,738,986 is: 1,333,047,096,663.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,249,118,886 : 619,878,738,986 = 619,878,738,986 : x
  2. Step 2: Convert to fraction form
    288,249,118,886/619,878,738,986 = 619,878,738,986/x
  3. Step 3: Cross multiply
    288,249,118,886x = 619,878,738,986 × 619,878,738,986
  4. Step 4: Simplify right side
    288,249,118,886x = 384,249,651,046,873,510,707,200
  5. Step 5: Solve for x
    x = 384,249,651,046,873,510,707,200/288,249,118,886
  6. Step 6: Final answer
    x = 1,333,047,096,663.77

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.