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Finding the Third Proportional to 5,740,312 and 12,393,781

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Solution

The third proportional to 5,740,312 and 12,393,781 is: 26,759,139.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740,312 : 12,393,781 = 12,393,781 : x
  2. Step 2: Convert to fraction form
    5,740,312/12,393,781 = 12,393,781/x
  3. Step 3: Cross multiply
    5,740,312x = 12,393,781 × 12,393,781
  4. Step 4: Simplify right side
    5,740,312x = 153,605,807,475,961
  5. Step 5: Solve for x
    x = 153,605,807,475,961/5,740,312
  6. Step 6: Final answer
    x = 26,759,139.13

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.