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Finding the Third Proportional to 310,868,219.25 and 643,746,406.50

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Solution

The third proportional to 310,868,219.25 and 643,746,406.50 is: 1,333,071,090.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,868,219.25 : 643,746,406.50 = 643,746,406.50 : x
  2. Step 2: Convert to fraction form
    310,868,219.25/643,746,406.50 = 643,746,406.50/x
  3. Step 3: Cross multiply
    310,868,219.25x = 643,746,406.50 × 643,746,406.50
  4. Step 4: Simplify right side
    310,868,219.25x = 414,409,435,881,663,232
  5. Step 5: Solve for x
    x = 414,409,435,881,663,232/310,868,219.25
  6. Step 6: Final answer
    x = 1,333,071,090.00

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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.