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Finding the Third Proportional to 708,788 and 1,515,928

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Solution

The third proportional to 708,788 and 1,515,928 is: 3,242,207.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,788 : 1,515,928 = 1,515,928 : x
  2. Step 2: Convert to fraction form
    708,788/1,515,928 = 1,515,928/x
  3. Step 3: Cross multiply
    708,788x = 1,515,928 × 1,515,928
  4. Step 4: Simplify right side
    708,788x = 2,298,037,701,184
  5. Step 5: Solve for x
    x = 2,298,037,701,184/708,788
  6. Step 6: Final answer
    x = 3,242,207.40

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.