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Finding the Third Proportional to 87,799,335 and 189,083,955

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Solution

The third proportional to 87,799,335 and 189,083,955 is: 407,209,713.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,799,335 : 189,083,955 = 189,083,955 : x
  2. Step 2: Convert to fraction form
    87,799,335/189,083,955 = 189,083,955/x
  3. Step 3: Cross multiply
    87,799,335x = 189,083,955 × 189,083,955
  4. Step 4: Simplify right side
    87,799,335x = 35,752,742,038,442,024
  5. Step 5: Solve for x
    x = 35,752,742,038,442,024/87,799,335
  6. Step 6: Final answer
    x = 407,209,713.36

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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.