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Finding the Third Proportional to 34,878,768 and 81,466,657.50

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Solution

The third proportional to 34,878,768 and 81,466,657.50 is: 190,282,417.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,878,768 : 81,466,657.50 = 81,466,657.50 : x
  2. Step 2: Convert to fraction form
    34,878,768/81,466,657.50 = 81,466,657.50/x
  3. Step 3: Cross multiply
    34,878,768x = 81,466,657.50 × 81,466,657.50
  4. Step 4: Simplify right side
    34,878,768x = 6,636,816,284,222,306
  5. Step 5: Solve for x
    x = 6,636,816,284,222,306/34,878,768
  6. Step 6: Final answer
    x = 190,282,417.21

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.