Home / 78,556,403.81-170,710,275.09

Finding the Third Proportional to 78,556,403.81 and 170,710,275.09

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Solution

The third proportional to 78,556,403.81 and 170,710,275.09 is: 370,969,094.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,556,403.81 : 170,710,275.09 = 170,710,275.09 : x
  2. Step 2: Convert to fraction form
    78,556,403.81/170,710,275.09 = 170,710,275.09/x
  3. Step 3: Cross multiply
    78,556,403.81x = 170,710,275.09 × 170,710,275.09
  4. Step 4: Simplify right side
    78,556,403.81x = 29,141,998,022,583,800
  5. Step 5: Solve for x
    x = 29,141,998,022,583,800/78,556,403.81
  6. Step 6: Final answer
    x = 370,969,094.92

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.