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Finding the Third Proportional to 21,678,466.50 and 29,427,468.75

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Solution

The third proportional to 21,678,466.50 and 29,427,468.75 is: 39,946,364.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,678,466.50 : 29,427,468.75 = 29,427,468.75 : x
  2. Step 2: Convert to fraction form
    21,678,466.50/29,427,468.75 = 29,427,468.75/x
  3. Step 3: Cross multiply
    21,678,466.50x = 29,427,468.75 × 29,427,468.75
  4. Step 4: Simplify right side
    21,678,466.50x = 865,975,917,032,226.50
  5. Step 5: Solve for x
    x = 865,975,917,032,226.50/21,678,466.50
  6. Step 6: Final answer
    x = 39,946,364.15

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.