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Finding the Third Proportional to 200,328.19 and 432,256.50

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Solution

The third proportional to 200,328.19 and 432,256.50 is: 932,697.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,328.19 : 432,256.50 = 432,256.50 : x
  2. Step 2: Convert to fraction form
    200,328.19/432,256.50 = 432,256.50/x
  3. Step 3: Cross multiply
    200,328.19x = 432,256.50 × 432,256.50
  4. Step 4: Simplify right side
    200,328.19x = 186,845,681,792.25
  5. Step 5: Solve for x
    x = 186,845,681,792.25/200,328.19
  6. Step 6: Final answer
    x = 932,697.91

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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.