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Finding the Third Proportional to 139,835,324 and 211,695,528

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Solution

The third proportional to 139,835,324 and 211,695,528 is: 320,484,090.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,835,324 : 211,695,528 = 211,695,528 : x
  2. Step 2: Convert to fraction form
    139,835,324/211,695,528 = 211,695,528/x
  3. Step 3: Cross multiply
    139,835,324x = 211,695,528 × 211,695,528
  4. Step 4: Simplify right side
    139,835,324x = 44,814,996,575,198,784
  5. Step 5: Solve for x
    x = 44,814,996,575,198,784/139,835,324
  6. Step 6: Final answer
    x = 320,484,090.09

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.