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Finding the Third Proportional to 288,059,556 and 411,630,438

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Solution

The third proportional to 288,059,556 and 411,630,438 is: 588,210,368.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,059,556 : 411,630,438 = 411,630,438 : x
  2. Step 2: Convert to fraction form
    288,059,556/411,630,438 = 411,630,438/x
  3. Step 3: Cross multiply
    288,059,556x = 411,630,438 × 411,630,438
  4. Step 4: Simplify right side
    288,059,556x = 169,439,617,488,071,840
  5. Step 5: Solve for x
    x = 169,439,617,488,071,840/288,059,556
  6. Step 6: Final answer
    x = 588,210,368.16

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.