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Finding the Third Proportional to 279,583,404 and 437,628,300

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Solution

The third proportional to 279,583,404 and 437,628,300 is: 685,013,939.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,583,404 : 437,628,300 = 437,628,300 : x
  2. Step 2: Convert to fraction form
    279,583,404/437,628,300 = 437,628,300/x
  3. Step 3: Cross multiply
    279,583,404x = 437,628,300 × 437,628,300
  4. Step 4: Simplify right side
    279,583,404x = 191,518,528,960,889,984
  5. Step 5: Solve for x
    x = 191,518,528,960,889,984/279,583,404
  6. Step 6: Final answer
    x = 685,013,939.39

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.