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Finding the Third Proportional to 131,611,490 and 210,169,875

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Solution

The third proportional to 131,611,490 and 210,169,875 is: 335,619,453.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,611,490 : 210,169,875 = 210,169,875 : x
  2. Step 2: Convert to fraction form
    131,611,490/210,169,875 = 210,169,875/x
  3. Step 3: Cross multiply
    131,611,490x = 210,169,875 × 210,169,875
  4. Step 4: Simplify right side
    131,611,490x = 44,171,376,357,515,624
  5. Step 5: Solve for x
    x = 44,171,376,357,515,624/131,611,490
  6. Step 6: Final answer
    x = 335,619,453.57

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.