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Finding the Third Proportional to 986,352 and 2,155,318.50

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Solution

The third proportional to 986,352 and 2,155,318.50 is: 4,709,675.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,352 : 2,155,318.50 = 2,155,318.50 : x
  2. Step 2: Convert to fraction form
    986,352/2,155,318.50 = 2,155,318.50/x
  3. Step 3: Cross multiply
    986,352x = 2,155,318.50 × 2,155,318.50
  4. Step 4: Simplify right side
    986,352x = 4,645,397,836,442.25
  5. Step 5: Solve for x
    x = 4,645,397,836,442.25/986,352
  6. Step 6: Final answer
    x = 4,709,675.49

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.