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Finding the Third Proportional to 15,651,270 and 21,627,090

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Solution

The third proportional to 15,651,270 and 21,627,090 is: 29,884,541.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651,270 : 21,627,090 = 21,627,090 : x
  2. Step 2: Convert to fraction form
    15,651,270/21,627,090 = 21,627,090/x
  3. Step 3: Cross multiply
    15,651,270x = 21,627,090 × 21,627,090
  4. Step 4: Simplify right side
    15,651,270x = 467,731,021,868,100
  5. Step 5: Solve for x
    x = 467,731,021,868,100/15,651,270
  6. Step 6: Final answer
    x = 29,884,541.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.