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Finding the Third Proportional to 58,916,757 and 128,031,768

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Solution

The third proportional to 58,916,757 and 128,031,768 is: 278,225,320.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,916,757 : 128,031,768 = 128,031,768 : x
  2. Step 2: Convert to fraction form
    58,916,757/128,031,768 = 128,031,768/x
  3. Step 3: Cross multiply
    58,916,757x = 128,031,768 × 128,031,768
  4. Step 4: Simplify right side
    58,916,757x = 16,392,133,617,205,824
  5. Step 5: Solve for x
    x = 16,392,133,617,205,824/58,916,757
  6. Step 6: Final answer
    x = 278,225,320.81

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.