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Finding the Third Proportional to 7,240,140 and 10,623,521

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Solution

The third proportional to 7,240,140 and 10,623,521 is: 15,587,985.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240,140 : 10,623,521 = 10,623,521 : x
  2. Step 2: Convert to fraction form
    7,240,140/10,623,521 = 10,623,521/x
  3. Step 3: Cross multiply
    7,240,140x = 10,623,521 × 10,623,521
  4. Step 4: Simplify right side
    7,240,140x = 112,859,198,437,441
  5. Step 5: Solve for x
    x = 112,859,198,437,441/7,240,140
  6. Step 6: Final answer
    x = 15,587,985.65

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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.