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Finding the Third Proportional to 15,130,813.50 and 31,338,256.50

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Solution

The third proportional to 15,130,813.50 and 31,338,256.50 is: 64,906,379.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,130,813.50 : 31,338,256.50 = 31,338,256.50 : x
  2. Step 2: Convert to fraction form
    15,130,813.50/31,338,256.50 = 31,338,256.50/x
  3. Step 3: Cross multiply
    15,130,813.50x = 31,338,256.50 × 31,338,256.50
  4. Step 4: Simplify right side
    15,130,813.50x = 982,086,320,459,792.25
  5. Step 5: Solve for x
    x = 982,086,320,459,792.25/15,130,813.50
  6. Step 6: Final answer
    x = 64,906,379.32

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.