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Finding the Third Proportional to 12,464,748 and 18,779,132

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Solution

The third proportional to 12,464,748 and 18,779,132 is: 28,292,252.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464,748 : 18,779,132 = 18,779,132 : x
  2. Step 2: Convert to fraction form
    12,464,748/18,779,132 = 18,779,132/x
  3. Step 3: Cross multiply
    12,464,748x = 18,779,132 × 18,779,132
  4. Step 4: Simplify right side
    12,464,748x = 352,655,798,673,424
  5. Step 5: Solve for x
    x = 352,655,798,673,424/12,464,748
  6. Step 6: Final answer
    x = 28,292,252.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.