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Finding the Third Proportional to 249,142,675.50 and 545,205,316.50

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Solution

The third proportional to 249,142,675.50 and 545,205,316.50 is: 1,193,086,798.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,142,675.50 : 545,205,316.50 = 545,205,316.50 : x
  2. Step 2: Convert to fraction form
    249,142,675.50/545,205,316.50 = 545,205,316.50/x
  3. Step 3: Cross multiply
    249,142,675.50x = 545,205,316.50 × 545,205,316.50
  4. Step 4: Simplify right side
    249,142,675.50x = 297,248,837,139,865,152
  5. Step 5: Solve for x
    x = 297,248,837,139,865,152/249,142,675.50
  6. Step 6: Final answer
    x = 1,193,086,798.73

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.