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Finding the Third Proportional to 84,455,988 and 130,562,390

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Solution

The third proportional to 84,455,988 and 130,562,390 is: 201,839,302.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,455,988 : 130,562,390 = 130,562,390 : x
  2. Step 2: Convert to fraction form
    84,455,988/130,562,390 = 130,562,390/x
  3. Step 3: Cross multiply
    84,455,988x = 130,562,390 × 130,562,390
  4. Step 4: Simplify right side
    84,455,988x = 17,046,537,682,512,100
  5. Step 5: Solve for x
    x = 17,046,537,682,512,100/84,455,988
  6. Step 6: Final answer
    x = 201,839,302.18

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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.