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Finding the Third Proportional to 5,316,718.50 and 11,662,785

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Solution

The third proportional to 5,316,718.50 and 11,662,785 is: 25,583,553.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316,718.50 : 11,662,785 = 11,662,785 : x
  2. Step 2: Convert to fraction form
    5,316,718.50/11,662,785 = 11,662,785/x
  3. Step 3: Cross multiply
    5,316,718.50x = 11,662,785 × 11,662,785
  4. Step 4: Simplify right side
    5,316,718.50x = 136,020,553,956,225
  5. Step 5: Solve for x
    x = 136,020,553,956,225/5,316,718.50
  6. Step 6: Final answer
    x = 25,583,553.83

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.