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Finding the Third Proportional to 64,630,830 and 141,423,324

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Solution

The third proportional to 64,630,830 and 141,423,324 is: 309,458,451.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,630,830 : 141,423,324 = 141,423,324 : x
  2. Step 2: Convert to fraction form
    64,630,830/141,423,324 = 141,423,324/x
  3. Step 3: Cross multiply
    64,630,830x = 141,423,324 × 141,423,324
  4. Step 4: Simplify right side
    64,630,830x = 20,000,556,571,208,976
  5. Step 5: Solve for x
    x = 20,000,556,571,208,976/64,630,830
  6. Step 6: Final answer
    x = 309,458,451.50

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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.