Home / 81,016,746.75-115,771,055.63

Finding the Third Proportional to 81,016,746.75 and 115,771,055.63

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Solution

The third proportional to 81,016,746.75 and 115,771,055.63 is: 165,434,158.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,016,746.75 : 115,771,055.63 = 115,771,055.63 : x
  2. Step 2: Convert to fraction form
    81,016,746.75/115,771,055.63 = 115,771,055.63/x
  3. Step 3: Cross multiply
    81,016,746.75x = 115,771,055.63 × 115,771,055.63
  4. Step 4: Simplify right side
    81,016,746.75x = 13,402,937,320,526,844
  5. Step 5: Solve for x
    x = 13,402,937,320,526,844/81,016,746.75
  6. Step 6: Final answer
    x = 165,434,158.47

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.