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Finding the Third Proportional to 12,929,048 and 19,281,453

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Solution

The third proportional to 12,929,048 and 19,281,453 is: 28,754,973.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929,048 : 19,281,453 = 19,281,453 : x
  2. Step 2: Convert to fraction form
    12,929,048/19,281,453 = 19,281,453/x
  3. Step 3: Cross multiply
    12,929,048x = 19,281,453 × 19,281,453
  4. Step 4: Simplify right side
    12,929,048x = 371,774,429,791,209
  5. Step 5: Solve for x
    x = 371,774,429,791,209/12,929,048
  6. Step 6: Final answer
    x = 28,754,973.28

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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.