Home / 31,090,821.05-66,549,087.42

Finding the Third Proportional to 31,090,821.05 and 66,549,087.42

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Solution

The third proportional to 31,090,821.05 and 66,549,087.42 is: 142,446,577.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,090,821.05 : 66,549,087.42 = 66,549,087.42 : x
  2. Step 2: Convert to fraction form
    31,090,821.05/66,549,087.42 = 66,549,087.42/x
  3. Step 3: Cross multiply
    31,090,821.05x = 66,549,087.42 × 66,549,087.42
  4. Step 4: Simplify right side
    31,090,821.05x = 4,428,781,036,684,361.50
  5. Step 5: Solve for x
    x = 4,428,781,036,684,361.50/31,090,821.05
  6. Step 6: Final answer
    x = 142,446,577.08

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.