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Finding the Third Proportional to 10,292,688 and 15,139,656

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Solution

The third proportional to 10,292,688 and 15,139,656 is: 22,269,127.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,292,688 : 15,139,656 = 15,139,656 : x
  2. Step 2: Convert to fraction form
    10,292,688/15,139,656 = 15,139,656/x
  3. Step 3: Cross multiply
    10,292,688x = 15,139,656 × 15,139,656
  4. Step 4: Simplify right side
    10,292,688x = 229,209,183,798,336
  5. Step 5: Solve for x
    x = 229,209,183,798,336/10,292,688
  6. Step 6: Final answer
    x = 22,269,127.73

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.