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Finding the Third Proportional to 86,355,531 and 123,489,427.50

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Solution

The third proportional to 86,355,531 and 123,489,427.50 is: 176,591,337.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,355,531 : 123,489,427.50 = 123,489,427.50 : x
  2. Step 2: Convert to fraction form
    86,355,531/123,489,427.50 = 123,489,427.50/x
  3. Step 3: Cross multiply
    86,355,531x = 123,489,427.50 × 123,489,427.50
  4. Step 4: Simplify right side
    86,355,531x = 15,249,638,704,277,756
  5. Step 5: Solve for x
    x = 15,249,638,704,277,756/86,355,531
  6. Step 6: Final answer
    x = 176,591,337.32

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.