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Finding the Third Proportional to 3,148,681.50 and 6,521,409

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Solution

The third proportional to 3,148,681.50 and 6,521,409 is: 13,506,852.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148,681.50 : 6,521,409 = 6,521,409 : x
  2. Step 2: Convert to fraction form
    3,148,681.50/6,521,409 = 6,521,409/x
  3. Step 3: Cross multiply
    3,148,681.50x = 6,521,409 × 6,521,409
  4. Step 4: Simplify right side
    3,148,681.50x = 42,528,775,345,281
  5. Step 5: Solve for x
    x = 42,528,775,345,281/3,148,681.50
  6. Step 6: Final answer
    x = 13,506,852.10

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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.