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Finding the Third Proportional to 64,630,836 and 141,423,336

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Solution

The third proportional to 64,630,836 and 141,423,336 is: 309,458,475.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,630,836 : 141,423,336 = 141,423,336 : x
  2. Step 2: Convert to fraction form
    64,630,836/141,423,336 = 141,423,336/x
  3. Step 3: Cross multiply
    64,630,836x = 141,423,336 × 141,423,336
  4. Step 4: Simplify right side
    64,630,836x = 20,000,559,965,368,896
  5. Step 5: Solve for x
    x = 20,000,559,965,368,896/64,630,836
  6. Step 6: Final answer
    x = 309,458,475.29

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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.