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Finding the Third Proportional to 77,297,588 and 168,484,078

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Solution

The third proportional to 77,297,588 and 168,484,078 is: 367,241,530.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,297,588 : 168,484,078 = 168,484,078 : x
  2. Step 2: Convert to fraction form
    77,297,588/168,484,078 = 168,484,078/x
  3. Step 3: Cross multiply
    77,297,588x = 168,484,078 × 168,484,078
  4. Step 4: Simplify right side
    77,297,588x = 28,386,884,539,510,084
  5. Step 5: Solve for x
    x = 28,386,884,539,510,084/77,297,588
  6. Step 6: Final answer
    x = 367,241,530.74

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.