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Finding the Third Proportional to 1,977,138 and 4,316,708

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Solution

The third proportional to 1,977,138 and 4,316,708 is: 9,424,717.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,138 : 4,316,708 = 4,316,708 : x
  2. Step 2: Convert to fraction form
    1,977,138/4,316,708 = 4,316,708/x
  3. Step 3: Cross multiply
    1,977,138x = 4,316,708 × 4,316,708
  4. Step 4: Simplify right side
    1,977,138x = 18,633,967,957,264
  5. Step 5: Solve for x
    x = 18,633,967,957,264/1,977,138
  6. Step 6: Final answer
    x = 9,424,717.93

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.