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Finding the Third Proportional to 86,806,903.50 and 187,243,555.50

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Solution

The third proportional to 86,806,903.50 and 187,243,555.50 is: 403,886,645.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,806,903.50 : 187,243,555.50 = 187,243,555.50 : x
  2. Step 2: Convert to fraction form
    86,806,903.50/187,243,555.50 = 187,243,555.50/x
  3. Step 3: Cross multiply
    86,806,903.50x = 187,243,555.50 × 187,243,555.50
  4. Step 4: Simplify right side
    86,806,903.50x = 35,060,149,076,281,580
  5. Step 5: Solve for x
    x = 35,060,149,076,281,580/86,806,903.50
  6. Step 6: Final answer
    x = 403,886,645.68

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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.