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Finding the Third Proportional to 109,959,678 and 161,344,803

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Solution

The third proportional to 109,959,678 and 161,344,803 is: 236,742,649.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,959,678 : 161,344,803 = 161,344,803 : x
  2. Step 2: Convert to fraction form
    109,959,678/161,344,803 = 161,344,803/x
  3. Step 3: Cross multiply
    109,959,678x = 161,344,803 × 161,344,803
  4. Step 4: Simplify right side
    109,959,678x = 26,032,145,455,108,808
  5. Step 5: Solve for x
    x = 26,032,145,455,108,808/109,959,678
  6. Step 6: Final answer
    x = 236,742,649.02

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.