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Finding the Third Proportional to 12,929,047 and 19,281,452

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Solution

The third proportional to 12,929,047 and 19,281,452 is: 28,754,972.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929,047 : 19,281,452 = 19,281,452 : x
  2. Step 2: Convert to fraction form
    12,929,047/19,281,452 = 19,281,452/x
  3. Step 3: Cross multiply
    12,929,047x = 19,281,452 × 19,281,452
  4. Step 4: Simplify right side
    12,929,047x = 371,774,391,228,304
  5. Step 5: Solve for x
    x = 371,774,391,228,304/12,929,047
  6. Step 6: Final answer
    x = 28,754,972.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.