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Finding the Third Proportional to 992,957.50 and 2,121,466

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Solution

The third proportional to 992,957.50 and 2,121,466 is: 4,532,538.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,957.50 : 2,121,466 = 2,121,466 : x
  2. Step 2: Convert to fraction form
    992,957.50/2,121,466 = 2,121,466/x
  3. Step 3: Cross multiply
    992,957.50x = 2,121,466 × 2,121,466
  4. Step 4: Simplify right side
    992,957.50x = 4,500,617,989,156
  5. Step 5: Solve for x
    x = 4,500,617,989,156/992,957.50
  6. Step 6: Final answer
    x = 4,532,538.39

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.