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Finding the Third Proportional to 30,581,712 and 65,696,688

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Solution

The third proportional to 30,581,712 and 65,696,688 is: 141,131,890.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,581,712 : 65,696,688 = 65,696,688 : x
  2. Step 2: Convert to fraction form
    30,581,712/65,696,688 = 65,696,688/x
  3. Step 3: Cross multiply
    30,581,712x = 65,696,688 × 65,696,688
  4. Step 4: Simplify right side
    30,581,712x = 4,316,054,814,169,344
  5. Step 5: Solve for x
    x = 4,316,054,814,169,344/30,581,712
  6. Step 6: Final answer
    x = 141,131,890.01

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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.