Home / 90,842,081.72-199,271,386.13

Finding the Third Proportional to 90,842,081.72 and 199,271,386.13

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Solution

The third proportional to 90,842,081.72 and 199,271,386.13 is: 437,122,141.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,842,081.72 : 199,271,386.13 = 199,271,386.13 : x
  2. Step 2: Convert to fraction form
    90,842,081.72/199,271,386.13 = 199,271,386.13/x
  3. Step 3: Cross multiply
    90,842,081.72x = 199,271,386.13 × 199,271,386.13
  4. Step 4: Simplify right side
    90,842,081.72x = 39,709,085,328,178,840
  5. Step 5: Solve for x
    x = 39,709,085,328,178,840/90,842,081.72
  6. Step 6: Final answer
    x = 437,122,141.82

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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.