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Finding the Third Proportional to 7,107,312 and 10,129,320

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Solution

The third proportional to 7,107,312 and 10,129,320 is: 14,436,276.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107,312 : 10,129,320 = 10,129,320 : x
  2. Step 2: Convert to fraction form
    7,107,312/10,129,320 = 10,129,320/x
  3. Step 3: Cross multiply
    7,107,312x = 10,129,320 × 10,129,320
  4. Step 4: Simplify right side
    7,107,312x = 102,603,123,662,400
  5. Step 5: Solve for x
    x = 102,603,123,662,400/7,107,312
  6. Step 6: Final answer
    x = 14,436,276.85

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.