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Finding the Third Proportional to 36,406,596 and 78,216,036

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Solution

The third proportional to 36,406,596 and 78,216,036 is: 168,039,557.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,406,596 : 78,216,036 = 78,216,036 : x
  2. Step 2: Convert to fraction form
    36,406,596/78,216,036 = 78,216,036/x
  3. Step 3: Cross multiply
    36,406,596x = 78,216,036 × 78,216,036
  4. Step 4: Simplify right side
    36,406,596x = 6,117,748,287,553,296
  5. Step 5: Solve for x
    x = 6,117,748,287,553,296/36,406,596
  6. Step 6: Final answer
    x = 168,039,557.65

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.