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Finding the Third Proportional to 917,502.19 and 2,158,705.69

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Solution

The third proportional to 917,502.19 and 2,158,705.69 is: 5,079,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,502.19 : 2,158,705.69 = 2,158,705.69 : x
  2. Step 2: Convert to fraction form
    917,502.19/2,158,705.69 = 2,158,705.69/x
  3. Step 3: Cross multiply
    917,502.19x = 2,158,705.69 × 2,158,705.69
  4. Step 4: Simplify right side
    917,502.19x = 4,660,010,245,244.85
  5. Step 5: Solve for x
    x = 4,660,010,245,244.85/917,502.19
  6. Step 6: Final answer
    x = 5,079,018.13

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.