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Finding the Third Proportional to 31,023,700.50 and 68,201,618.25

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Solution

The third proportional to 31,023,700.50 and 68,201,618.25 is: 149,932,492.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,023,700.50 : 68,201,618.25 = 68,201,618.25 : x
  2. Step 2: Convert to fraction form
    31,023,700.50/68,201,618.25 = 68,201,618.25/x
  3. Step 3: Cross multiply
    31,023,700.50x = 68,201,618.25 × 68,201,618.25
  4. Step 4: Simplify right side
    31,023,700.50x = 4,651,460,731,918,733
  5. Step 5: Solve for x
    x = 4,651,460,731,918,733/31,023,700.50
  6. Step 6: Final answer
    x = 149,932,492.16

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.