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Finding the Third Proportional to 470,223 and 709,707

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Solution

The third proportional to 470,223 and 709,707 is: 1,071,159.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,223 : 709,707 = 709,707 : x
  2. Step 2: Convert to fraction form
    470,223/709,707 = 709,707/x
  3. Step 3: Cross multiply
    470,223x = 709,707 × 709,707
  4. Step 4: Simplify right side
    470,223x = 503,684,025,849
  5. Step 5: Solve for x
    x = 503,684,025,849/470,223
  6. Step 6: Final answer
    x = 1,071,159.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.