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Finding the Third Proportional to 10,292,598 and 15,139,513

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Solution

The third proportional to 10,292,598 and 15,139,513 is: 22,268,901.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,292,598 : 15,139,513 = 15,139,513 : x
  2. Step 2: Convert to fraction form
    10,292,598/15,139,513 = 15,139,513/x
  3. Step 3: Cross multiply
    10,292,598x = 15,139,513 × 15,139,513
  4. Step 4: Simplify right side
    10,292,598x = 229,204,853,877,169
  5. Step 5: Solve for x
    x = 229,204,853,877,169/10,292,598
  6. Step 6: Final answer
    x = 22,268,901.78

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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.