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Finding the Third Proportional to 637,888 and 1,000,784

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Solution

The third proportional to 637,888 and 1,000,784 is: 1,570,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,888 : 1,000,784 = 1,000,784 : x
  2. Step 2: Convert to fraction form
    637,888/1,000,784 = 1,000,784/x
  3. Step 3: Cross multiply
    637,888x = 1,000,784 × 1,000,784
  4. Step 4: Simplify right side
    637,888x = 1,001,568,614,656
  5. Step 5: Solve for x
    x = 1,001,568,614,656/637,888
  6. Step 6: Final answer
    x = 1,570,132.40

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.