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Finding the Third Proportional to 39,698,506.69 and 86,459,980.50

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Solution

The third proportional to 39,698,506.69 and 86,459,980.50 is: 188,302,504.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,698,506.69 : 86,459,980.50 = 86,459,980.50 : x
  2. Step 2: Convert to fraction form
    39,698,506.69/86,459,980.50 = 86,459,980.50/x
  3. Step 3: Cross multiply
    39,698,506.69x = 86,459,980.50 × 86,459,980.50
  4. Step 4: Simplify right side
    39,698,506.69x = 7,475,328,228,060,380
  5. Step 5: Solve for x
    x = 7,475,328,228,060,380/39,698,506.69
  6. Step 6: Final answer
    x = 188,302,504.35

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.