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Finding the Third Proportional to 4,923,769.50 and 7,911,090

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Solution

The third proportional to 4,923,769.50 and 7,911,090 is: 12,710,860.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923,769.50 : 7,911,090 = 7,911,090 : x
  2. Step 2: Convert to fraction form
    4,923,769.50/7,911,090 = 7,911,090/x
  3. Step 3: Cross multiply
    4,923,769.50x = 7,911,090 × 7,911,090
  4. Step 4: Simplify right side
    4,923,769.50x = 62,585,344,988,100
  5. Step 5: Solve for x
    x = 62,585,344,988,100/4,923,769.50
  6. Step 6: Final answer
    x = 12,710,860.04

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.