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Finding the Third Proportional to 720,354 and 1,043,338.50

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Solution

The third proportional to 720,354 and 1,043,338.50 is: 1,511,139.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,354 : 1,043,338.50 = 1,043,338.50 : x
  2. Step 2: Convert to fraction form
    720,354/1,043,338.50 = 1,043,338.50/x
  3. Step 3: Cross multiply
    720,354x = 1,043,338.50 × 1,043,338.50
  4. Step 4: Simplify right side
    720,354x = 1,088,555,225,582.25
  5. Step 5: Solve for x
    x = 1,088,555,225,582.25/720,354
  6. Step 6: Final answer
    x = 1,511,139.28

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.