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Finding the Third Proportional to 628,240 and 1,000,624

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Solution

The third proportional to 628,240 and 1,000,624 is: 1,593,735.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,240 : 1,000,624 = 1,000,624 : x
  2. Step 2: Convert to fraction form
    628,240/1,000,624 = 1,000,624/x
  3. Step 3: Cross multiply
    628,240x = 1,000,624 × 1,000,624
  4. Step 4: Simplify right side
    628,240x = 1,001,248,389,376
  5. Step 5: Solve for x
    x = 1,001,248,389,376/628,240
  6. Step 6: Final answer
    x = 1,593,735.50

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.