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Finding the Third Proportional to 718,718 and 1,127,446

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Solution

The third proportional to 718,718 and 1,127,446 is: 1,768,613.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,718 : 1,127,446 = 1,127,446 : x
  2. Step 2: Convert to fraction form
    718,718/1,127,446 = 1,127,446/x
  3. Step 3: Cross multiply
    718,718x = 1,127,446 × 1,127,446
  4. Step 4: Simplify right side
    718,718x = 1,271,134,482,916
  5. Step 5: Solve for x
    x = 1,271,134,482,916/718,718
  6. Step 6: Final answer
    x = 1,768,613.67

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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.