Home / 31,386,507.75-66,506,771.25

Finding the Third Proportional to 31,386,507.75 and 66,506,771.25

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Solution

The third proportional to 31,386,507.75 and 66,506,771.25 is: 140,925,223.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,386,507.75 : 66,506,771.25 = 66,506,771.25 : x
  2. Step 2: Convert to fraction form
    31,386,507.75/66,506,771.25 = 66,506,771.25/x
  3. Step 3: Cross multiply
    31,386,507.75x = 66,506,771.25 × 66,506,771.25
  4. Step 4: Simplify right side
    31,386,507.75x = 4,423,150,622,099,826.50
  5. Step 5: Solve for x
    x = 4,423,150,622,099,826.50/31,386,507.75
  6. Step 6: Final answer
    x = 140,925,223.58

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.