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Finding the Third Proportional to 84,455,939 and 130,562,306

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Solution

The third proportional to 84,455,939 and 130,562,306 is: 201,839,159.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,455,939 : 130,562,306 = 130,562,306 : x
  2. Step 2: Convert to fraction form
    84,455,939/130,562,306 = 130,562,306/x
  3. Step 3: Cross multiply
    84,455,939x = 130,562,306 × 130,562,306
  4. Step 4: Simplify right side
    84,455,939x = 17,046,515,748,037,636
  5. Step 5: Solve for x
    x = 17,046,515,748,037,636/84,455,939
  6. Step 6: Final answer
    x = 201,839,159.57

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.