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Finding the Third Proportional to 15,326,420 and 25,542,966

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Solution

The third proportional to 15,326,420 and 25,542,966 is: 42,569,831.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,326,420 : 25,542,966 = 25,542,966 : x
  2. Step 2: Convert to fraction form
    15,326,420/25,542,966 = 25,542,966/x
  3. Step 3: Cross multiply
    15,326,420x = 25,542,966 × 25,542,966
  4. Step 4: Simplify right side
    15,326,420x = 652,443,112,077,156
  5. Step 5: Solve for x
    x = 652,443,112,077,156/15,326,420
  6. Step 6: Final answer
    x = 42,569,831.19

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.