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Finding the Third Proportional to 644,979.50 and 1,506,136.50

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Solution

The third proportional to 644,979.50 and 1,506,136.50 is: 3,517,084.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,979.50 : 1,506,136.50 = 1,506,136.50 : x
  2. Step 2: Convert to fraction form
    644,979.50/1,506,136.50 = 1,506,136.50/x
  3. Step 3: Cross multiply
    644,979.50x = 1,506,136.50 × 1,506,136.50
  4. Step 4: Simplify right side
    644,979.50x = 2,268,447,156,632.25
  5. Step 5: Solve for x
    x = 2,268,447,156,632.25/644,979.50
  6. Step 6: Final answer
    x = 3,517,084.12

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.