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Finding the Third Proportional to 28,990,366 and 62,130,613

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Solution

The third proportional to 28,990,366 and 62,130,613 is: 133,155,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,990,366 : 62,130,613 = 62,130,613 : x
  2. Step 2: Convert to fraction form
    28,990,366/62,130,613 = 62,130,613/x
  3. Step 3: Cross multiply
    28,990,366x = 62,130,613 × 62,130,613
  4. Step 4: Simplify right side
    28,990,366x = 3,860,213,071,755,769
  5. Step 5: Solve for x
    x = 3,860,213,071,755,769/28,990,366
  6. Step 6: Final answer
    x = 133,155,030.60

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.