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Finding the Third Proportional to 186,338,426 and 403,731,438

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Solution

The third proportional to 186,338,426 and 403,731,438 is: 874,747,509.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,338,426 : 403,731,438 = 403,731,438 : x
  2. Step 2: Convert to fraction form
    186,338,426/403,731,438 = 403,731,438/x
  3. Step 3: Cross multiply
    186,338,426x = 403,731,438 × 403,731,438
  4. Step 4: Simplify right side
    186,338,426x = 162,999,074,029,547,840
  5. Step 5: Solve for x
    x = 162,999,074,029,547,840/186,338,426
  6. Step 6: Final answer
    x = 874,747,509.30

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.