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Finding the Third Proportional to 21,280,617 and 33,018,772.50

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Solution

The third proportional to 21,280,617 and 33,018,772.50 is: 51,231,566.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,280,617 : 33,018,772.50 = 33,018,772.50 : x
  2. Step 2: Convert to fraction form
    21,280,617/33,018,772.50 = 33,018,772.50/x
  3. Step 3: Cross multiply
    21,280,617x = 33,018,772.50 × 33,018,772.50
  4. Step 4: Simplify right side
    21,280,617x = 1,090,239,337,406,756.25
  5. Step 5: Solve for x
    x = 1,090,239,337,406,756.25/21,280,617
  6. Step 6: Final answer
    x = 51,231,566.14

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.