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Finding the Third Proportional to 449,275.50 and 977,278.50

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Solution

The third proportional to 449,275.50 and 977,278.50 is: 2,125,807.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,275.50 : 977,278.50 = 977,278.50 : x
  2. Step 2: Convert to fraction form
    449,275.50/977,278.50 = 977,278.50/x
  3. Step 3: Cross multiply
    449,275.50x = 977,278.50 × 977,278.50
  4. Step 4: Simplify right side
    449,275.50x = 955,073,266,562.25
  5. Step 5: Solve for x
    x = 955,073,266,562.25/449,275.50
  6. Step 6: Final answer
    x = 2,125,807.59

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.