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Finding the Third Proportional to 39,085,639 and 84,605,053

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Solution

The third proportional to 39,085,639 and 84,605,053 is: 183,136,701.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,085,639 : 84,605,053 = 84,605,053 : x
  2. Step 2: Convert to fraction form
    39,085,639/84,605,053 = 84,605,053/x
  3. Step 3: Cross multiply
    39,085,639x = 84,605,053 × 84,605,053
  4. Step 4: Simplify right side
    39,085,639x = 7,158,014,993,132,809
  5. Step 5: Solve for x
    x = 7,158,014,993,132,809/39,085,639
  6. Step 6: Final answer
    x = 183,136,701.26

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.