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Finding the Third Proportional to 71,058,574 and 155,490,004

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Solution

The third proportional to 71,058,574 and 155,490,004 is: 340,242,422.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,058,574 : 155,490,004 = 155,490,004 : x
  2. Step 2: Convert to fraction form
    71,058,574/155,490,004 = 155,490,004/x
  3. Step 3: Cross multiply
    71,058,574x = 155,490,004 × 155,490,004
  4. Step 4: Simplify right side
    71,058,574x = 24,177,141,343,920,016
  5. Step 5: Solve for x
    x = 24,177,141,343,920,016/71,058,574
  6. Step 6: Final answer
    x = 340,242,422.31

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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.