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Finding the Third Proportional to 3,153,579 and 6,917,574

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Solution

The third proportional to 3,153,579 and 6,917,574 is: 15,174,133.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153,579 : 6,917,574 = 6,917,574 : x
  2. Step 2: Convert to fraction form
    3,153,579/6,917,574 = 6,917,574/x
  3. Step 3: Cross multiply
    3,153,579x = 6,917,574 × 6,917,574
  4. Step 4: Simplify right side
    3,153,579x = 47,852,830,045,476
  5. Step 5: Solve for x
    x = 47,852,830,045,476/3,153,579
  6. Step 6: Final answer
    x = 15,174,133.91

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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.